1 files changed, 1 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/servers/matrix-synapse/plugins/s3-storage-provider.nix b/nixpkgs/pkgs/servers/matrix-synapse/plugins/s3-storage-provider.nix
index 8999c6982577..9033049c33bd 100644
--- a/nixpkgs/pkgs/servers/matrix-synapse/plugins/s3-storage-provider.nix
+++ b/nixpkgs/pkgs/servers/matrix-synapse/plugins/s3-storage-provider.nix
@@ -52,6 +52,7 @@ buildPythonPackage rec {
 
   meta = with lib; {
     description = "Synapse storage provider to fetch and store media in Amazon S3";
+    mainProgram = "s3_media_upload";
     homepage = "https://github.com/matrix-org/synapse-s3-storage-provider";
     changelog = "https://github.com/matrix-org/synapse-s3-storage-provider/releases/tag/v${version}";
     license = licenses.asl20;